<template>
  <div class="login">
    <!-- 智能制造科技 -->
    <div id='u210'>
      <img id='u201' src="../assets/Login/u201.svg" alt="图片加载失败"/>
      <img id="u200" src="../assets/Login/u200.svg" alt="图片加载失败" />
      <h1 class="size1">智能制造科技</h1>
    </div>

<!--   登录 -->
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
<!--    登录左半边图片  -->
      <img src="../assets/Login/loginBJ.png" height="427" style="float: left">

<!--   登录右半边数据   -->
      <div style="float:right;padding-top: 50px">
        <h1 class="title" style="color: #0060a0;font-family: 微软雅黑;font-weight: 600;">生产过程执行管理系统</h1>
        <el-form-item prop="username" >
          <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="账号"
          >
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img"/>
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'" >立即申请</router-link>
        </div>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            size="medium"
            type="primary"
            style="width:100%;"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>

      </div>

    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>@EtoAxure ALL Right Reserved </span>
      <span style="position: absolute;right: 160px;">制造企业生产过程执行管理系统 Version 1.0.0 </span>
    </div>

  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,

      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    // 点击登录的方法
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">

//logo
#u210{
  position: relative;
}
#u200{
  position: absolute;
  left: 22px;
  width: 19px;
  height: 19px;
}

#u210{
  position: absolute;
  left: 35px;
  top: 50px;
}

.size1{
  color: rgba(255, 255, 255, 0.5); /* 白色，透明度为0.5 */
  position: relative;
  left: 50px;
  top: -62px;
}

//登录
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/Login/u196_state0.png");
  background-size: cover;
}
//标题
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

//登录背景
.login-form {
  border-radius: 25px;
  background: #ffffff;
  width: 940px;
  padding: 25px 80px 25px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}


.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
//底部
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
